Howmutch Insulatio Should Be In An Attic

How much insulation do i need in my attic.

Howmutch insulatio should be in an attic. Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Batt blanket or rolled insulation. Also keep in mind that it is possible to use a hybridized approach by combining. Loose fill or batt the common term for blanket insulation.

The insulation fibers may be comprised of fiberglass cellulose mineral wool or even recycled blue jeans. Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Inspecting your attic insulation.

How much insulation should i use in my attic. If your attic insulation is only a few inches thick or if you can see the ceiling joists you re wasting money on your heating and cooling bills. The higher the r value the better the thermal performance of the insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

The higher the r value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Insulation level are specified by r value. Batt insulation consists of long rolls of insulation fibers which are held together with a paper or reflective foil backing.

For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. The amount of insulation that you use in your attic will vary mostly on the region you live in. If it is less than an equivalent of r 30 you could probably benefit by adding more. It is not uncommon to see 15 to 20 of insulation in a well insulated attic.

To find out if you have enough attic insulation measure the thickness of the insulation. R value is a measure of insulation s ability to resist heat traveling through it. How much should i add. The thicker the better.

R value is a measure of insulation s ability to resist heat flow. First off you should know that insulating your attic isn t cheap. For diy attic insulation you ve got two choices. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Insulation levels are specified by r value. Estimates suggest that it ll cost around 1 340. If it is located in a conditioned part of the house also remember to insulate and air. How much does it cost to insulate an attic and how much will you save.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.